* {
    margin: 0px;
    padding: 0px;
}

body {
    background: #eee;
}

#see {
    position: relative;
}

.header {
    background: rgb(165, 249, 255);
    width: 100%;
    color: #666;
    line-height: 30px;
    text-align: center;
}


/*内容部分*/

.main {
    overflow-y: auto;
    padding: 5px 10px;
    margin: 10px auto;
    margin-right: 0px;
    margin-top: 0px;
    width: 94%;
}

.main::-webkit-scrollbar {
    width: 5px;
}

.main::-webkit-scrollbar-track {
    background: rgb(160, 130, 240);
    border-radius: 3px;
}

.main::-webkit-scrollbar-thumb {
    background: rgb(255, 187, 203);
    border-radius: 3px;
}


/*消息内容部分*/

.thread-item {
    margin: 8px auto;
}

.thread-item:after,
.thread-content:after {
    display: table;
    content: "";
    clear: both;
}

.thread-avatar {
    width: 40px;
    height: 40px;
    float: left;
}

.thread-avatar img {
    display: block;
    border: none;
    width: 100%;
    height: 100%;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    border-radius: 4px;
}

.thread-content {
    margin: 0 55px;
}

.thread-info {
    line-height: 25px;
    height: 25px;
    font-size: 12px;
    color: #8c8c8c;
}

.thread-info span {
    margin: 0 10px;
}

.thread-body {
    float: left;
    position: relative;
    padding: 10px;
    border-radius: 4px;
    background-color: #fff;
    font-size: 14px;
    line-height: 20px;
    color: #5f5f5f;
    word-wrap: break-word;
    max-width: 100%;
}

.thread-body:after {
    display: block;
    content: '';
    width: 0;
    height: 0;
    border-top: 0 solid transparent;
    border-right: 10px solid #fff;
    border-bottom: 16px solid transparent;
    position: absolute;
    top: 5px;
    left: -10px;
}


/*本人回复*/

.thread-right .thread-avatar,
.thread-right .thread-body {
    float: right;
}

.thread-right .thread-info {
    text-align: right;
}

.thread-right .thread-body {
    background-color: #b2e281;
}

.thread-right .thread-body:after {
    border-left: 10px solid #b2e281;
    border-right: none;
    top: 5px;
    left: 100%;
}


/* 下部 */

.footer {
    width: 100%;
    display: flex;
    position: fixed;
    bottom: 0px;
    background: #03a9f4;
    border-top: 5px solid #fff;
}

.foot_left,
.foot_right {
    width: 32px;
}

.footer>.foot_left {
    max-width: 32px;
    max-height: 32px;
}

.face:after {
    content: "";
    display: inline-block;
    width: 32px;
    height: 32px;
    background: url("smail.png") no-repeat;
    vertical-align: middle;
    position: relative;
    top: 2px;
}

.shu {
    height: 32px;
    margin: 0px auto;
    padding: 3px 5px;
    line-height: 24px;
    border-top: solid 3px #03a9f4;
    background: #fff;
    outline: none;
    resize: none;
    overflow: hidden;
    font-size: 16px; 
}

.fa:after {
    content: "";
    display: inline-block;
    width: 32px;
    height: 32px;
    background: url("fa.png") no-repeat;
    vertical-align: middle;
    position: relative;
    top: 2px;
    left: 5px;
}